Answer:
See the explanation below, please.
Step-by-step explanation:
The anhydrous compounds are those that result from the combination of a nonmetal and oxygen. If they react with water, they generate an acid. Also called non-metallic acid oxides / oxides.
An example is carbonic anhydride, also called carbon dioxide (CO2), in the case of acids: acetic anhydride (acetic acid and known as vinegar).